Product Description

      Item Brand                  SK**0      SK**8     SK**6     SK**4     SK**2
  
          Al2O3 %                      ≥*2          ≥*0         ≥*8         ≥*2         ≥*4
         
          Fe2O3 %                     ≤2.0          ≤2.0       ≤2.0        ≤2.0        ≤2.0

        Bulk Density g/cm3       ≥2.*0        ≥2.*5     ≥2.*0       ≥2.0       ≥1.*5
       
        Refractoriness ℃         ＞***0      ＞***0   ＞***0   ＞***0  ＞***0

        Apparent Porosity %      ≤*0           ≤*2        ≤*3        ≤*4       ≤*5

Cold Crushing Strength  Mpa  ≥*0          ≥*0       ≥*0         ≥*5       ≥*3

          0.2Mpa R.U.L.  ℃       ≥***0        ≥***0   ≥***0     ≥***0   ≥***0

Reheating Linear Change Rate % *-           *-         ±0.3        ±0.5       ±0.5
                                                                        ***0℃×2h  ***0℃×2h  ***0℃×2h